concrete pump coupling, precision process without metal cutting, which results in dense internal metal from and texture without fracture. The substantial increase in strength of materials reduces the weight of spare parts.
Galvanization or Baking varnish.
2 bolt clamp                           
Type: 2 bolt clamp/2 bolt mouting clamp
Size: 2 inch to 7 inch
Material: casting steel or forging steel
Pressure: 130bar
Brand: Putzmeister,schwing,cifa,junjin,sany.
Packaging: In wooden case.
Use for pump truck pipe connection.

Advantages:
Wear resistant coupling,long time life.
Easy to install and use.